Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
196602353Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1447977903119941458972167.02015-09-15 17:55:16
History
DateUserTypeResult
2015-09-15demfloroF
Factor: 144797790311994145897 / TF: 66-68
2013-06-28tscNF
no factor from 2^65 to 2^66
2011-04-23sasaki3NF
no factor from 2^64 to 2^65
2010-08-07SpankbucketNF
no factor from 2^63 to 2^64